Use netd socketDestroy for VPN in T-

aosp/2490881 updated to use InetDiagMessage.destroyLiveTcpSocket for all
devices.
But it is possible that netd socketDestory is modified in T- devices.
So this CL revert changes to keep using netd socketDestroy in T-
devices.

Test: atest FrameworksNetTests
Bug: 284253763
Change-Id: I9b61f10e975d2e38e9829a8c01d3af706e2518ef
2 files changed